#include<stdio.h>
void main()
{ 
 printf("How are you?\n");
 printf("I'm fine.\n\n");
 printf("How are you?\t");
 printf("I am fine.\n\n");
 printf("How are you?\n");
 printf("\bI am fine.\n\n");
 printf("                  I am fine.");
 printf("\rHow are you?\n\n");
}